304 Stainless Steel Detection Liquid Identification Liquid Manganese Content Test Fluid Potion Reagent Analytical Drugs

Features:
No need to start the machine, the grades of chromium and nickel stainless steel materials can be quickly distinguished based on the flushing time
In winter, the temperature is too low. Before testing, heat the surface with a lighter for 3-6 seconds.
Drop this mark on the surface of the steel and observe the moment when the color turns red to confirm the stainless steel grade (model). The faster it turns red, the worse the material!
200 (regular 201): 5 seconds red, 30 seconds red, even 200200 materials have both good and bad qualities; Manganese exceeds the standard
201 (201): turns red after about 50 seconds; Manganese exceeds the standard.
202: About 1 minute in red; Manganese exceeds
301 standard: It turns red in 2-3 minutes and the color is very light. Please take a closer look; New national standard food grade 304 stainless steel
No discoloration within 3 minutes, with a maximum darkening of the bottom color; Old national standard food grade (the older the better!)
Capacity: 12ml


Packaging contains
1 x 1/2 "stainless steel testing solution.